xref: /onnv-gate/usr/src/lib/nsswitch/nis/common/gethostent6.c (revision 2830:5228d1267a01)
10Sstevel@tonic-gate /*
20Sstevel@tonic-gate  * CDDL HEADER START
30Sstevel@tonic-gate  *
40Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*2830Sdjl  * Common Development and Distribution License (the "License").
6*2830Sdjl  * You may not use this file except in compliance with the License.
70Sstevel@tonic-gate  *
80Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
90Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
100Sstevel@tonic-gate  * See the License for the specific language governing permissions
110Sstevel@tonic-gate  * and limitations under the License.
120Sstevel@tonic-gate  *
130Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
140Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
150Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
160Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
170Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
180Sstevel@tonic-gate  *
190Sstevel@tonic-gate  * CDDL HEADER END
200Sstevel@tonic-gate  */
210Sstevel@tonic-gate /*
22*2830Sdjl  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
230Sstevel@tonic-gate  * Use is subject to license terms.
240Sstevel@tonic-gate  *
250Sstevel@tonic-gate  *	nis/gethostent.c -- "nis" backend for nsswitch "ipnodes" database
260Sstevel@tonic-gate  */
270Sstevel@tonic-gate 
280Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
290Sstevel@tonic-gate 
300Sstevel@tonic-gate #include <ctype.h>
310Sstevel@tonic-gate #include <netdb.h>
320Sstevel@tonic-gate #include <stdio.h>
330Sstevel@tonic-gate #include <string.h>
340Sstevel@tonic-gate #include <netinet/in.h>
350Sstevel@tonic-gate #include <arpa/inet.h>
360Sstevel@tonic-gate #include <sys/socket.h>
370Sstevel@tonic-gate #include "nis_common.h"
380Sstevel@tonic-gate #include <stdlib.h>
390Sstevel@tonic-gate 
400Sstevel@tonic-gate 
410Sstevel@tonic-gate static nss_status_t
getbyname(be,a)420Sstevel@tonic-gate getbyname(be, a)
430Sstevel@tonic-gate 	nis_backend_ptr_t	be;
440Sstevel@tonic-gate 	void			*a;
450Sstevel@tonic-gate {
460Sstevel@tonic-gate 	nss_XbyY_args_t		*argp = (nss_XbyY_args_t *)a;
470Sstevel@tonic-gate 	nss_status_t	res;
480Sstevel@tonic-gate 
490Sstevel@tonic-gate 	const char		*s;
500Sstevel@tonic-gate 	char			c;
510Sstevel@tonic-gate 
520Sstevel@tonic-gate 	for (s = argp->key.ipnode.name;  (c = *s) != '\0';  s++) {
530Sstevel@tonic-gate 		if (isupper(c)) {
540Sstevel@tonic-gate 			char		*copy;
550Sstevel@tonic-gate 			char		*mung;
560Sstevel@tonic-gate 
570Sstevel@tonic-gate 			if ((copy = strdup(argp->key.ipnode.name)) == 0) {
580Sstevel@tonic-gate 				return (NSS_UNAVAIL);
590Sstevel@tonic-gate 			}
600Sstevel@tonic-gate 			for (mung = copy + (s - argp->key.ipnode.name);
610Sstevel@tonic-gate 			    (c = *mung) != '\0';  mung++) {
620Sstevel@tonic-gate 				if (isupper(c)) {
630Sstevel@tonic-gate 					*mung = _tolower(c);
640Sstevel@tonic-gate 				}
650Sstevel@tonic-gate 			}
660Sstevel@tonic-gate 			res = _nss_nis_lookup(be, argp, 1, "ipnodes.byname",
670Sstevel@tonic-gate 				copy, 0);
680Sstevel@tonic-gate 			if (res != NSS_SUCCESS)
690Sstevel@tonic-gate 				argp->h_errno = __nss2herrno(res);
700Sstevel@tonic-gate 			free(copy);
710Sstevel@tonic-gate 			return (res);
720Sstevel@tonic-gate 		}
730Sstevel@tonic-gate 	}
740Sstevel@tonic-gate 	res = _nss_nis_lookup(be, argp, 1,
750Sstevel@tonic-gate 				"ipnodes.byname", argp->key.ipnode.name, 0);
760Sstevel@tonic-gate 	if (res != NSS_SUCCESS)
770Sstevel@tonic-gate 		argp->h_errno = __nss2herrno(res);
780Sstevel@tonic-gate 	return (res);
790Sstevel@tonic-gate }
800Sstevel@tonic-gate 
810Sstevel@tonic-gate static nss_status_t
getbyaddr(be,a)820Sstevel@tonic-gate getbyaddr(be, a)
830Sstevel@tonic-gate 	nis_backend_ptr_t	be;
840Sstevel@tonic-gate 	void			*a;
850Sstevel@tonic-gate {
860Sstevel@tonic-gate 	nss_XbyY_args_t		*argp	= (nss_XbyY_args_t *)a;
870Sstevel@tonic-gate 	struct in6_addr		addr;
880Sstevel@tonic-gate 	char			buf[INET6_ADDRSTRLEN + 1];
890Sstevel@tonic-gate 	nss_status_t	res;
900Sstevel@tonic-gate 
910Sstevel@tonic-gate 	/* === Do we really want to be this pedantic? */
920Sstevel@tonic-gate 	if (argp->key.hostaddr.type != AF_INET6 ||
930Sstevel@tonic-gate 	    argp->key.hostaddr.len  != sizeof (addr)) {
940Sstevel@tonic-gate 		return (NSS_NOTFOUND);
950Sstevel@tonic-gate 	}
96*2830Sdjl 	(void) memcpy(&addr, argp->key.hostaddr.addr, sizeof (addr));
970Sstevel@tonic-gate 	if (IN6_IS_ADDR_V4MAPPED(&addr)) {
980Sstevel@tonic-gate 		if (inet_ntop(AF_INET, (void *) &addr.s6_addr[12],
990Sstevel@tonic-gate 				(void *)buf, INET_ADDRSTRLEN) == NULL) {
1000Sstevel@tonic-gate 			return (NSS_NOTFOUND);
1010Sstevel@tonic-gate 		}
1020Sstevel@tonic-gate 	} else {
1030Sstevel@tonic-gate 		if (inet_ntop(AF_INET6, (void *)&addr, (void *)buf,
1040Sstevel@tonic-gate 						INET6_ADDRSTRLEN) == NULL)
1050Sstevel@tonic-gate 			return (NSS_NOTFOUND);
1060Sstevel@tonic-gate 	}
1070Sstevel@tonic-gate 
1080Sstevel@tonic-gate 	res = _nss_nis_lookup(be, argp, 1, "ipnodes.byaddr", buf, 0);
1090Sstevel@tonic-gate 	if (res != NSS_SUCCESS)
1100Sstevel@tonic-gate 		argp->h_errno = __nss2herrno(res);
1110Sstevel@tonic-gate 	return (res);
1120Sstevel@tonic-gate }
1130Sstevel@tonic-gate 
1140Sstevel@tonic-gate 
1150Sstevel@tonic-gate static nis_backend_op_t ipnodes_ops[] = {
1160Sstevel@tonic-gate 	_nss_nis_destr,
1170Sstevel@tonic-gate 	_nss_nis_endent,
1180Sstevel@tonic-gate 	_nss_nis_setent,
1190Sstevel@tonic-gate 	_nss_nis_getent_netdb,
1200Sstevel@tonic-gate 	getbyname,
1210Sstevel@tonic-gate 	getbyaddr
1220Sstevel@tonic-gate };
1230Sstevel@tonic-gate 
1240Sstevel@tonic-gate /*ARGSUSED*/
1250Sstevel@tonic-gate nss_backend_t *
_nss_nis_ipnodes_constr(dummy1,dummy2,dummy3)1260Sstevel@tonic-gate _nss_nis_ipnodes_constr(dummy1, dummy2, dummy3)
1270Sstevel@tonic-gate 	const char	*dummy1, *dummy2, *dummy3;
1280Sstevel@tonic-gate {
1290Sstevel@tonic-gate 	return (_nss_nis_constr(ipnodes_ops,
1300Sstevel@tonic-gate 			sizeof (ipnodes_ops) / sizeof (ipnodes_ops[0]),
1310Sstevel@tonic-gate 			"ipnodes.byaddr"));
1320Sstevel@tonic-gate }
133